- @groups.each do |group|
  - next unless @discussions_by_group_id.has_key?(group.id)
  %h3=link_to group.full_name, group_url(group, @utm_hash)
  %ul
    - @discussions_by_group_id[group.id].each do |discussion|
      %li
        = link_to plain_text(discussion, :title), discussion_url(discussion)
